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// Copyright 2022 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package regtest
import "golang.org/x/tools/gopls/internal/lsp/fake"
type runConfig struct {
editor fake.EditorConfig
sandbox fake.SandboxConfig
modes Mode
skipHooks bool
}
// A RunOption augments the behavior of the test runner.
type RunOption interface {
set(*runConfig)
}
type optionSetter func(*runConfig)
func (f optionSetter) set(opts *runConfig) {
f(opts)
}
// ProxyFiles configures a file proxy using the given txtar-encoded string.
func ProxyFiles(txt string) RunOption {
return optionSetter(func(opts *runConfig) {
opts.sandbox.ProxyFiles = fake.UnpackTxt(txt)
})
}
// Modes configures the execution modes that the test should run in.
//
// By default, modes are configured by the test runner. If this option is set,
// it overrides the set of default modes and the test runs in exactly these
// modes.
func Modes(modes Mode) RunOption {
return optionSetter(func(opts *runConfig) {
if opts.modes != 0 {
panic("modes set more than once")
}
opts.modes = modes
})
}
// WindowsLineEndings configures the editor to use windows line endings.
func WindowsLineEndings() RunOption {
return optionSetter(func(opts *runConfig) {
opts.editor.WindowsLineEndings = true
})
}
// Settings is a RunOption that sets user-provided configuration for the LSP
// server.
//
// As a special case, the env setting must not be provided via Settings: use
// EnvVars instead.
type Settings map[string]interface{}
func (s Settings) set(opts *runConfig) {
if opts.editor.Settings == nil {
opts.editor.Settings = make(map[string]interface{})
}
for k, v := range s {
opts.editor.Settings[k] = v
}
}
// WorkspaceFolders configures the workdir-relative workspace folders to send
// to the LSP server. By default the editor sends a single workspace folder
// corresponding to the workdir root. To explicitly configure no workspace
// folders, use WorkspaceFolders with no arguments.
func WorkspaceFolders(relFolders ...string) RunOption {
if len(relFolders) == 0 {
// Use an empty non-nil slice to signal explicitly no folders.
relFolders = []string{}
}
return optionSetter(func(opts *runConfig) {
opts.editor.WorkspaceFolders = relFolders
})
}
// EnvVars sets environment variables for the LSP session. When applying these
// variables to the session, the special string $SANDBOX_WORKDIR is replaced by
// the absolute path to the sandbox working directory.
type EnvVars map[string]string
func (e EnvVars) set(opts *runConfig) {
if opts.editor.Env == nil {
opts.editor.Env = make(map[string]string)
}
for k, v := range e {
opts.editor.Env[k] = v
}
}
// InGOPATH configures the workspace working directory to be GOPATH, rather
// than a separate working directory for use with modules.
func InGOPATH() RunOption {
return optionSetter(func(opts *runConfig) {
opts.sandbox.InGoPath = true
})
}
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